physically exhausted; extremely, very ☊ 
kinh ngạc sửng sốt làm hết sức ngạc nhiên 
amazing like: hết sức → →
sich anstrengen ☊ 
ráng hết sức, cố gắng ☊ 
努力 ☊ nǔ lì sich anstrengen ☊ ráng hết sức, cố gắng ☊ ☊ advise sth: I'd advise extreme caution. ☊ advise ☊
Don't worry about the exam—just do your best. ☊ best ☊
'She doesn't try hard enough.' 'That's rich, coming from you (= you do not try hard either).' ☊ come from sth ☊
The local clubs are making every effort to interest more young people. ☊ effort ☊
You can try your best to impress the interviewers but in the end it's often just a question of luck. ☊ in the end ☊
She tried her hardest not to show how disappointed she was. ☊ hard ☊
The trip has been exhausting and I'll be glad to be home. ☊ home ☊
They tried everything they possibly could to improve the situation. ☊ possibly ☊
He had to use all his powers of persuasion. ☊ power ☊
I do my best to hide my real feelings from others. ☊ real ☊
They had fought hard for equal rights. ☊ right ☊
We are trying desperately to keep to our schedule. ☊ schedule ☊
We did our best to keep out of the sun. ☊ sun ☊
Our staff will do their best to make sure you enjoy your visit. ☊ make sure (of sth/that...) ☊
The kids have totally worn me out. ☊ wear yourself/sb out ☊
Whether or not we're successful, we can be sure that we did our best. ☊ whether ☊